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From Karnataka Open Educational Resources
Circles Tangents Problems (view source)
Revision as of 05:39, 14 August 2014
, 05:39, 14 August 2014→Algorithm
∴ DS=DC-SC=25-11=14 cm <br>
∴ DS=DC-SC=25-11=14 cm <br>
DS=DP=14 cm (because by concept 1) <br>
DS=DP=14 cm (because by concept 1) <br>
Also {AD ortho DC} , {OP ortho AD} and {OS ortho DC} <br>
Also AD⊥DC, OP ⊥ AD and OS ⊥ DC <br>
∠D=∠S=∠P=90˚ <br>
∠D=∠S=∠P=90˚ <br>
⇒ ∠O=90˚ <br>
⇒ ∠O=90˚ <br>
